Within its walled enclosure stands a pillar-stone, the kind of upright prehistoric marker that predates Christianity by millennia, yet here it persists in a graveyard setting, folded into a much later landscape without apparent explanation or ceremony.

The site was noted in the early twentieth century by a researcher recorded as O'Reilly, who in 1901 identified what appeared to be a second pillar-stone positioned close to the western doorway of the graveyard. That stone, described as narrow and square in plan, measuring roughly 61 centimetres in height and 23 centimetres on each side, has since vanished from the record. When the site was surveyed more recently, compiled by Geraldine Stout and Padraig and revised in May 2018, the second stone could not be located at all. Whether it was removed, buried, or simply misidentified in the original account is not known. What remains is the single surviving pillar-stone, a category of monument that typically dates to the Bronze Age or earlier, though without excavation the age of any individual example is difficult to confirm.

The graveyard is accessible from the junction at the northern end of Dalkey town and is visible from the road, the raised enclosure giving it a slightly elevated presence that sets it apart from the pavement below. The pillar-stone itself is modest in scale, so worth looking carefully once inside the walled area rather than expecting something immediately dramatic. The absence of the second stone is, in its own way, the more interesting detail; a gap in the record that O'Reilly's 1901 description preserves but cannot resolve.